The best just got better, as Apple's MacBook Air notebook gets updated with the latest Intel processors, double the storage and double the battery life. But is the low-resolution screen now dragging the package down? Read our full review to find out!

Apple rolled out the most comprehensive update to their line of Mac and MacBook computers in recent memory in 2012, overhauling the MacBook Pro by adding a Retina display, putting the iMac on a diet and reworking the innards of…